Massage setting to relax lower back or neck * Can provide relief from conditions aggravated by poor posture * Place between your knees while lying on your side for a more comfortable sleep * Can be used in combination with the ObusForme� Highback Backrest Support or your car�s headrest for added neck support * Made with polyurethane foam * Elastic strap holds the ObusForme� Supporting Roll with Massage in the position you desire * Brushed polyester cover can be removed and sponge washed * Small lightweight and portable for use anywhere you sit - at home in the office and on the go * Battery Operated - 4 AA batteries (not included) *